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-rw-r--r--src/Text/Pandoc/Readers/DocBook.hs20
1 files changed, 18 insertions, 2 deletions
diff --git a/src/Text/Pandoc/Readers/DocBook.hs b/src/Text/Pandoc/Readers/DocBook.hs
index 83e2f3900..164b44b62 100644
--- a/src/Text/Pandoc/Readers/DocBook.hs
+++ b/src/Text/Pandoc/Readers/DocBook.hs
@@ -18,6 +18,7 @@ import Text.TeXMath (readMathML, writeTeX)
import Text.Pandoc.Error (PandocError)
import Text.Pandoc.Compat.Except
import Data.Default
+import Data.Foldable (asum)
{-
@@ -498,7 +499,7 @@ List of all DocBook tags, with [x] indicating implemented,
[x] warning - An admonition set off from the text
[x] wordasword - A word meant specifically as a word and not representing
anything else
-[ ] xref - A cross reference to another part of the document
+[x] xref - A cross reference to another part of the document
[ ] year - The year of publication of a document
[x] ?asciidoc-br? - line break from asciidoc docbook output
-}
@@ -952,7 +953,13 @@ parseInline (Elem e) =
"keycombo" -> keycombo <$> (mapM parseInline $ elContent e)
"menuchoice" -> menuchoice <$> (mapM parseInline $
filter isGuiMenu $ elContent e)
- "xref" -> return $ str "?" -- so at least you know something is there
+ "xref" -> do
+ content <- dbContent <$> get
+ let linkend = attrValue "linkend" e
+ let title = case attrValue "endterm" e of
+ "" -> maybe "???" xrefTitleByElem (findElementById linkend content)
+ endterm -> maybe "???" strContent (findElementById endterm content)
+ return $ link ('#' : linkend) "" (singleton (Str title))
"email" -> return $ link ("mailto:" ++ strContent e) ""
$ str $ strContent e
"uri" -> return $ link (strContent e) "" $ str $ strContent e
@@ -1013,3 +1020,12 @@ parseInline (Elem e) =
isGuiMenu (Elem x) = named "guimenu" x || named "guisubmenu" x ||
named "guimenuitem" x
isGuiMenu _ = False
+
+ findElementById idString content
+ = asum [filterElement (\x -> attrValue "id" x == idString) el | Elem el <- content]
+
+ xrefTitleByElem el
+ | null xrefLabel = "???"
+ | otherwise = xrefLabel
+ where
+ xrefLabel = attrValue "xreflabel" el